The study investigated the pattern, predictors and management of students classroom conduct disorders in polytechnics in Nigeria. The descriptive survey design was adopted for the study. 390 randomly selected lecturers from 13 polytechnics as sample. The sample consisted of 236 (60.5%) males and 154 (39.5%) females, federal polytechnics 129 (33%), state polytechnics 151 (39%) and private polytechnics 110 (28%). Three instruments (Pattern of Classroom Conduct Disorders Index, Predictors of Classroom Conduct Disorders Scale and Management of Classroom Conduct Disorders Checklist) were used for data collection. Two tailed t-test was used to test for significance on the pattern, predictors and management of classroom conduct disorders. Based on the results, significant difference was found in the mean response of male and female lecturers in the 11 (P – CCDI) subscales measured on the pattern of students classroom conduct disorders. Also, significant difference was found in the mean response of male and female lecturers in 3 (P – CCDS) subscales measured on the predictors of students classroom disorders. A further significant difference was found in the mean response of male and female lecturers in 9 (M – CCDC) subscales measured on the impact of lecturers management strategies of students classroom conduct disorders. It was recommended among others that federal and state governments should resuscitate bursary and scholarship awards for students, polytechnic management should develop. Strategies in dealing with students having personality abnormalities and polytechnic management should ensure that lecturers abide by the terms of their employment in order to maintain acceptable conduct.